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C85400 Brass vs. C66900 Brass

Both C85400 brass and C66900 brass are copper alloys. They have 88% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 23
1.1 to 26
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 220
460 to 770
Tensile Strength: Yield (Proof), MPa 85
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 940
860
Melting Onset (Solidus), °C 940
850
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 22
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 35
460 to 2450
Stiffness to Weight: Axial, points 7.0
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 7.5
15 to 26
Strength to Weight: Bending, points 9.9
16 to 23
Thermal Shock Resistance, points 7.6
14 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Copper (Cu), % 65 to 70
62.5 to 64.5
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 1.5 to 3.8
0 to 0.050
Manganese (Mn), % 0
11.5 to 12.5
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
22.5 to 26
Residuals, % 0
0 to 0.2